> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.getgreenspark.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How Do I Add My Custom Domain To Post-Purchase Emails?

Once you've added your [custom domain](https://help.getgreenspark.com/en/article/how-do-i-add-a-custom-domain-np3n2h/) to your post-purchase engagement hub, you'll want to ensure the email templates used include your custom domain to ensure the email can be activated with the steps below:

1. To do this, start by navigating to your `post-purchase engagement hub` and selecting `Manage` under email campaigns.

![](https://storage.crisp.chat/users/helpdesk/website/3fa02643ae649600/screenshot-2025-01-22-at-16051_z6zkdr.png)
2. Then you'll want to select the email campaign you're looking to activate and select `Edit.` 

![](https://storage.crisp.chat/users/helpdesk/website/3fa02643ae649600/screenshot-2025-01-22-at-16063_htu2ba.png)3. Scroll down to the `Settings` tab.

![](https://storage.crisp.chat/users/helpdesk/website/3fa02643ae649600/screenshot-2025-01-22-at-16073_jde7ns.png)
4. Finally, insert your custom domain under `from. ` 

![](https://storage.crisp.chat/users/helpdesk/website/3fa02643ae649600/screenshot-2025-01-22-at-16082_4jexxe.png)